This noun follows the standard English plural rule: simply add -s to the singular form.
Extending is regular. It follows the Standard -s rule.
Use plural verbs: "The extendings are ready" (not "is ready").
Yes. The plural extendings is standard across all English variants.
The word extending follows the standard English pluralization rule. When forming the plural, extending becomes extendings. This follows the Standard -s pattern, which is one of the most common plural rules in English.
Understanding why extending becomes extendings helps with spelling and pronunciation. This noun follows the standard English plural rule: simply add -s to the singular form.
When using extendings in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The extendings are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.